單項選擇題

In an electro-hydraulic steering gear, any change in relative position between the synchronous receiver and the follow-up gear will result in（）

A.the pump going to full stroke
B.closing of the six-way valve
C.driving the rams up against the stops
D.a corresponding slowing or increasing of the pumped flow rate

你可能感興趣的試題

單項選擇題

As the designated rudder angle is being achieved, as a result of the original command input, the steering gear follow-up mechanism is（）

A.in motion, providing a null input
B.not in motion, thus providing a null input
C.in motion, providing an input to place the main pump on maximum stroke
D.in motion, providing an input to place the main pump at null stroke

單項選擇題

In a fixed displacement axial piston hydraulic motor, the speed is varied by（）

A.regulating the ratio between torque and speed via the torque limiter at the motor
B.directing the motor output flow through a bypass line
C.maintaining a constant flow and pressure input
D.controlling the input flow rate

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In an electro-hydraulic steering gear, any change in relative position between the synchronous receiver and the follow-up gear will result in（）

你可能感興趣的試題

As the designated rudder angle is being achieved, as a result of the original command input, the steering gear follow-up mechanism is（）

In a fixed displacement axial piston hydraulic motor, the speed is varied by（）